Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With the start of September, Ballyclare measures an average high-temperature of a mild 14.7°C (58.5°F), not significantly differing from August's 16.3°C (61.3°F). The month of September records an average low-temperature of 9.6°C (49.3°F) in Ballyclare.Humidity
In September, the average relative humidity in Ballyclare is 88%.Rainfall
September is the month with the least rainfall. Rain falls for 17.1 days and accumulates 38mm (1.5") of precipitation.Snowfall
May through October are months without snowfall in Ballyclare.Daylight
In September, the average length of the day is 12h and 43min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:02 pm BST.
Sunshine
In September, the average sunshine is 5.6h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Ballyclare?
What is the average humidity in September in Ballyclare?
What is the driest month in Ballyclare?
How many days does it rain in September in Ballyclare?
When it does not snow in Ballyclare?
What is the average length of the day in September in Ballyclare?
When is the sunrise / sunset in September in Ballyclare?
How many hours of sunshine does Ballyclare have in September?
How high is the UV index in September in Ballyclare?
Average temperature in September
Ballyclare, United Kingdom
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in September
Ballyclare, United Kingdom
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007.1mbar).
Average wind speed in September
Ballyclare, United Kingdom
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is January (21.4km/h).
The calmest month (with the lowest average wind speed) is July (13.7km/h).
Average humidity in September
Ballyclare, United Kingdom
- Average humidity in September: 88%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Ballyclare, United Kingdom
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is August (75mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in September
Ballyclare, United Kingdom
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is February (16.8 days).
Average snowfall in September
Ballyclare, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ballyclare, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ballyclare, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 5h and 4min
The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Ballyclare, United Kingdom
- Average sunshine days in September: 7.4 days
The months with the most sunshine days are April and May (10 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in September
Ballyclare, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are June and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Ballyclare, United Kingdom
- Average cloud cover in September: 60
The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in September
Ballyclare, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
